[4d48e01] | 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | import sys |
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| 4 | import os |
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| 5 | import pwd |
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| 6 | |
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| 7 | from fedd_services import * |
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| 8 | |
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| 9 | from M2Crypto import SSL, X509 |
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| 10 | from M2Crypto.m2xmlrpclib import SSL_Transport |
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| 11 | import M2Crypto.httpslib |
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| 12 | |
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| 13 | from xmlrpclib import ServerProxy, Error, dumps, loads |
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| 14 | from ZSI import SoapWriter |
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| 15 | from ZSI.TC import QName, String, URI, AnyElement, UNBOUNDED, Any |
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| 16 | from ZSI.wstools.Namespaces import SOAP |
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| 17 | from ZSI.fault import FaultType, Detail |
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| 18 | |
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| 19 | import xmlrpclib |
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| 20 | |
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| 21 | from fedd_util import fedid, fedd_ssl_context, pack_soap, unpack_soap, \ |
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[987aaa1] | 22 | pack_id, unpack_id, encapsulate_binaries, decapsulate_binaries |
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[4d48e01] | 23 | |
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| 24 | from optparse import OptionParser, OptionValueError |
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| 25 | |
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| 26 | import parse_detail |
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| 27 | |
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| 28 | # Turn off the matching of hostname to certificate ID |
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| 29 | SSL.Connection.clientPostConnectionCheck = None |
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| 30 | |
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| 31 | class IDFormatException(RuntimeError): pass |
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| 32 | |
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| 33 | class access_method: |
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| 34 | """Encapsulates an access method generically.""" |
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| 35 | (type_ssh, type_x509, type_pgp) = ('sshPubkey', 'X509', 'pgpPubkey') |
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| 36 | default_type = type_ssh |
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| 37 | def __init__(self, buf=None, type=None, file=None): |
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| 38 | self.buf = buf |
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| 39 | |
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| 40 | if type != None: self.type = type |
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| 41 | else: self.type = access_method.default_type |
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| 42 | |
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| 43 | if file != None: |
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| 44 | self.readfile(file) |
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| 45 | |
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| 46 | def readfile(self, file, type=None): |
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| 47 | f = open(file, "r") |
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| 48 | self.buf = f.read(); |
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| 49 | f.close() |
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| 50 | if type == None: |
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| 51 | if self.type == None: |
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| 52 | self.type = access_method.default_type |
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| 53 | else: |
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| 54 | self.type = type; |
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| 55 | |
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| 56 | class node_desc: |
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| 57 | def __init__(self, image, hardware, count=1): |
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| 58 | if getattr(image, "__iter__", None) == None: |
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| 59 | if image == None: self.image = [ ] |
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| 60 | else: self.image = [ image ] |
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| 61 | else: |
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| 62 | self.image = image |
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| 63 | |
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| 64 | if getattr(hardware, "__iter__", None) == None: |
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| 65 | if hardware == None: self.hardware = [ ] |
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| 66 | else: self.hardware = [ hardware ] |
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| 67 | else: |
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| 68 | self.hardware = hardware |
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| 69 | if count != None: self.count = int(count) |
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| 70 | else: self.count = 1 |
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| 71 | |
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| 72 | class fedd_client_opts(OptionParser): |
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| 73 | """Encapsulate option processing in this class, rather than in main""" |
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| 74 | def __init__(self): |
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| 75 | OptionParser.__init__(self, usage="%prog [opts] (--help for details)", |
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| 76 | version="0.1") |
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| 77 | |
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| 78 | self.add_option("-c","--cert", action="store", dest="cert", |
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| 79 | type="string", help="my certificate file") |
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| 80 | self.add_option("-d", "--debug", action="count", dest="debug", |
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[987aaa1] | 81 | default=0, help="Set debug. Repeat for more information") |
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[4d48e01] | 82 | self.add_option("-s", "--serializeOnly", action="store_true", |
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[987aaa1] | 83 | dest="serialize_only", default=False, |
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[4d48e01] | 84 | help="Print the SOAP request that would be sent and exit") |
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| 85 | self.add_option("-T","--trusted", action="store", dest="trusted", |
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| 86 | type="string", help="Trusted certificates (required)") |
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| 87 | self.add_option("-u", "--url", action="store", dest="url", |
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[987aaa1] | 88 | type="string",default="https://localhost:23235", |
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[4d48e01] | 89 | help="URL to connect to (default %default)") |
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| 90 | self.add_option("-x","--transport", action="store", type="choice", |
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[987aaa1] | 91 | choices=("xmlrpc", "soap"), default="soap", |
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[4d48e01] | 92 | help="Transport for request (xmlrpc|soap) (Default: %default)") |
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| 93 | self.add_option("--trace", action="store_const", dest="tracefile", |
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| 94 | const=sys.stderr, help="Print SOAP exchange to stderr") |
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| 95 | |
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[987aaa1] | 96 | class fedd_create_opts(fedd_client_opts): |
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| 97 | def __init__(self, access_keys, add_key_callback=None, |
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| 98 | add_cert_callback=None): |
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| 99 | fedd_client_opts.__init__(self) |
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| 100 | self.add_option("-e", "--experiment_cert", dest="out_certfile", |
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| 101 | type="string", help="output certificate file") |
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| 102 | self.add_option("-F","--useFedid", action="store_true", |
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| 103 | dest="use_fedid", default=False, |
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| 104 | help="Use a fedid derived from my certificate as user identity") |
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| 105 | self.add_option("-f", "--file", dest="file", |
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| 106 | help="experiment description file") |
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| 107 | if add_key_callback: |
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| 108 | self.add_option("-k", "--sshKey", action="callback", type="string", |
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| 109 | callback=add_key_callback, callback_args=(access_keys,), |
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| 110 | help="ssh key for access (can be supplied more than once") |
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| 111 | if add_cert_callback: |
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| 112 | self.add_option("-K", "--x509Key", action="callback", |
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| 113 | type="string", callback=add_cert_callback, |
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| 114 | callback_args=(access_keys,), |
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| 115 | help="X509 certificate for access " + \ |
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| 116 | "(can be supplied more than once") |
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| 117 | self.add_option("-m", "--master", dest="master", |
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| 118 | help="Master testbed in the federation") |
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| 119 | self.add_option("-U", "--username", action="store", dest="user", |
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| 120 | type="string", help="Use this username instead of the uid") |
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| 121 | |
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[4d48e01] | 122 | def exit_with_fault(dict, out=sys.stderr): |
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| 123 | """ Print an error message and exit. |
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| 124 | |
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| 125 | The dictionary contains the FeddFaultBody elements.""" |
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| 126 | codestr = "" |
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| 127 | |
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| 128 | if dict.has_key('errstr'): |
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| 129 | codestr = "Error: %s" % dict['errstr'] |
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| 130 | |
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| 131 | if dict.has_key('code'): |
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| 132 | if len(codestr) > 0 : |
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| 133 | codestr += " (%d)" % dict['code'] |
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| 134 | else: |
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| 135 | codestr = "Error Code: %d" % dict['code'] |
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| 136 | |
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| 137 | print>>out, codestr |
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| 138 | print>>out, "Description: %s" % dict['desc'] |
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| 139 | sys.exit(dict.get('code', 20)) |
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| 140 | |
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[987aaa1] | 141 | class fedd_exp_data_opts(fedd_client_opts): |
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| 142 | def __init__(self): |
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| 143 | fedd_client_opts.__init__(self) |
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| 144 | self.add_option("-e", "--experiment_cert", dest="exp_certfile", |
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| 145 | type="string", help="output certificate file") |
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| 146 | |
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[45ebc4d] | 147 | # Base class that will do a the SOAP/XMLRPC exchange for a request. |
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| 148 | class fedd_rpc: |
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| 149 | class RPCException: |
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| 150 | def __init__(self, fb): |
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| 151 | self.desc = fb.get('desc', None) |
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| 152 | self.code = fb.get('code', None) |
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| 153 | self.errstr = fb.get('errstr', None) |
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| 154 | |
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| 155 | def __init__(self, pre): |
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| 156 | """ |
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| 157 | Specialize the class for the prc method |
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| 158 | """ |
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| 159 | self.RequestMessage = globals()["%sRequestMessage" % pre] |
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| 160 | self.ResponseMessage = globals()["%sResponseMessage" % pre] |
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| 161 | self.RequestBody="%sRequestBody" % pre |
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| 162 | self.ResponseBody="%sResponseBody" % pre |
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| 163 | self.method = pre |
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| 164 | self.RPCException = fedd_rpc.RPCException |
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| 165 | |
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| 166 | def do_rpc(self, req_dict, url, transport, cert, trusted, tracefile=None, |
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| 167 | serialize_only=False): |
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| 168 | """ |
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| 169 | The work of sending and parsing the RPC as either XMLRPC or SOAP |
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| 170 | """ |
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| 171 | |
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| 172 | context = None |
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| 173 | while context == None: |
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| 174 | try: |
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| 175 | context = fedd_ssl_context(cert, trusted) |
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| 176 | except SSL.SSLError, e: |
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| 177 | # Yes, doing this on message type is not ideal. The string |
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| 178 | # comes from OpenSSL, so check there is this stops working. |
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| 179 | if str(e) == "bad decrypt": |
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| 180 | print >>sys.stderr, "Bad Passphrase given." |
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| 181 | else: raise |
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| 182 | |
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| 183 | if transport == "soap": |
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| 184 | loc = feddServiceLocator(); |
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| 185 | port = loc.getfeddPortType(url, |
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| 186 | transport=M2Crypto.httpslib.HTTPSConnection, |
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| 187 | transdict={ 'ssl_context' : context }, |
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| 188 | tracefile=tracefile) |
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| 189 | |
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| 190 | req = self.RequestMessage() |
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| 191 | |
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| 192 | set_req = getattr(req, "set_element_%s" % self.RequestBody, None) |
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| 193 | set_req(pack_soap(req, self.RequestBody, req_dict)) |
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| 194 | |
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| 195 | if serialize_only: |
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| 196 | sw = SoapWriter() |
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| 197 | sw.serialize(req) |
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| 198 | print str(sw) |
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| 199 | sys.exit(0) |
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| 200 | |
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| 201 | try: |
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| 202 | method_call = getattr(port, self.method, None) |
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| 203 | resp = method_call(req) |
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| 204 | except ZSI.ParseException, e: |
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| 205 | raise RuntimeError("Malformed response (XMLPRC?): %s" % e) |
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| 206 | except ZSI.FaultException, e: |
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| 207 | resp = e.fault.detail[0] |
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| 208 | |
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| 209 | if resp: |
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| 210 | resp_call = getattr(resp, "get_element_%s" %self.ResponseBody, |
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| 211 | None) |
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| 212 | if resp_call: |
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| 213 | resp_body = resp_call() |
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| 214 | if ( resp_body != None): |
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| 215 | try: |
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| 216 | return unpack_soap(resp_body) |
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| 217 | except RuntimeError, e: |
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| 218 | raise RuntimeError("Bad response. %s" % e.message) |
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| 219 | elif 'get_element_FeddFaultBody' in dir(resp): |
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| 220 | resp_body = resp.get_element_FeddFaultBody() |
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| 221 | if resp_body != None: |
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| 222 | try: |
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| 223 | fb = unpack_soap(resp_body) |
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| 224 | except RuntimeError, e: |
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| 225 | raise RuntimeError("Bad response. %s" % e.message) |
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| 226 | raise self.RPCException(fb) |
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| 227 | else: |
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| 228 | raise RuntimeError("No body in response!?") |
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| 229 | else: |
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| 230 | raise RuntimeError("No response?!?") |
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| 231 | elif transport == "xmlrpc": |
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| 232 | if serialize_only: |
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| 233 | ser = dumps((req_dict,)) |
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| 234 | print ser |
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| 235 | sys.exit(0) |
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| 236 | |
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| 237 | xtransport = SSL_Transport(context) |
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| 238 | port = ServerProxy(url, transport=xtransport) |
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| 239 | |
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| 240 | try: |
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| 241 | method_call = getattr(port, self.method, None) |
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| 242 | resp = method_call( |
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| 243 | encapsulate_binaries({ self.RequestBody: msg},\ |
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| 244 | ('fedid',))) |
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| 245 | except Error, e: |
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| 246 | resp = { 'FeddFaultBody': \ |
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| 247 | { 'errstr' : e.faultCode, 'desc' : e.faultString } } |
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| 248 | if resp: |
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| 249 | if resp.has_key(self.ResponseBody): |
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| 250 | return resp[self.ResponseBody] |
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| 251 | elif resp.has_key('FeddFaultBody'): |
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| 252 | raise self.RPCException(resp['FeddFaultBody']) |
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| 253 | else: |
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| 254 | raise RuntimeError("No body in response!?") |
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| 255 | else: |
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| 256 | raise RuntimeError("No response?!?") |
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| 257 | else: |
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| 258 | raise RuntimeError("Unknown RPC transport: %s" % transport) |
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| 259 | |
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[987aaa1] | 260 | # Querying experiment data follows the same control flow regardless of the |
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| 261 | # specific data retrieved. This class encapsulates that control flow. |
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[45ebc4d] | 262 | class exp_data(fedd_rpc): |
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[987aaa1] | 263 | def __init__(self, op): |
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| 264 | """ |
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| 265 | Specialize the class for the type of data requested (op) |
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| 266 | """ |
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[45ebc4d] | 267 | |
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| 268 | fedd_rpc.__init__(self, op) |
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| 269 | if op =='Vtopo': |
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[987aaa1] | 270 | self.key="vtopo" |
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| 271 | self.xml='experiment' |
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[45ebc4d] | 272 | elif op == 'Vis': |
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[987aaa1] | 273 | self.key="vis" |
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| 274 | self.xml='vis' |
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| 275 | else: |
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| 276 | raise TypeError("Bad op: %s" % op) |
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| 277 | |
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| 278 | def print_xml(self, d, out=sys.stdout): |
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| 279 | """ |
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| 280 | Print the retrieved data is a simple xml representation of the dict. |
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| 281 | """ |
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| 282 | str = "<%s>\n" % self.xml |
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| 283 | for t in ('node', 'lan'): |
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| 284 | if d.has_key(t): |
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| 285 | for x in d[t]: |
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| 286 | str += "<%s>" % t |
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| 287 | for k in x.keys(): |
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| 288 | str += "<%s>%s</%s>" % (k, x[k],k) |
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| 289 | str += "</%s>\n" % t |
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| 290 | str+= "</%s>" % self.xml |
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| 291 | print >>out, str |
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| 292 | |
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| 293 | def __call__(self): |
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| 294 | """ |
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| 295 | The control flow. Compose the request and print the response. |
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| 296 | """ |
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| 297 | # Process the options using the customized option parser defined above |
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| 298 | parser = fedd_exp_data_opts() |
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| 299 | |
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| 300 | (opts, args) = parser.parse_args() |
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| 301 | |
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| 302 | if opts.trusted != None: |
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| 303 | if ( not os.access(opts.trusted, os.R_OK) ) : |
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| 304 | sys.exit("Cannot read trusted certificates (%s)" % opts.trusted) |
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| 305 | else: |
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| 306 | parser.error("--trusted is required") |
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[4d48e01] | 307 | |
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[987aaa1] | 308 | if opts.debug > 0: opts.tracefile=sys.stderr |
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[4d48e01] | 309 | |
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[987aaa1] | 310 | if opts.cert != None: cert = opts.cert |
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[4d48e01] | 311 | |
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[987aaa1] | 312 | if cert == None: |
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| 313 | sys.exit("No certificate given (--cert) or found") |
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[4d48e01] | 314 | |
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[987aaa1] | 315 | if os.access(cert, os.R_OK): |
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| 316 | fid = fedid(file=cert) |
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| 317 | else: |
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| 318 | sys.exit("Cannot read certificate (%s)" % cert) |
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[4d48e01] | 319 | |
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[987aaa1] | 320 | if opts.exp_certfile: |
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| 321 | exp_fedid = fedid(file=opts.exp_certfile) |
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| 322 | else: |
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| 323 | sys.exit("Experiment certfile required") |
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[4d48e01] | 324 | |
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[45ebc4d] | 325 | try: |
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| 326 | resp_dict = self.do_rpc({ 'experiment': { 'fedid': exp_fedid } }, |
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| 327 | opts.url, opts.transport, cert, opts.trusted, |
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| 328 | serialize_only=opts.serialize_only, |
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[987aaa1] | 329 | tracefile=opts.tracefile) |
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[45ebc4d] | 330 | except self.RPCException, e: |
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| 331 | exit_with_fault(\ |
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| 332 | {'desc': e.desc, 'errstr': e.errstr, 'code': e.code}) |
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| 333 | except RuntimeError, e: |
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| 334 | sys.exit("Error processing RPC: %s" % e.message) |
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[987aaa1] | 335 | |
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[45ebc4d] | 336 | try: |
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| 337 | if resp_dict.has_key(self.key): |
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| 338 | self.print_xml(resp_dict[self.key]) |
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| 339 | except RuntimeError, e: |
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| 340 | sys.exit("Bad response. %s" % e.message) |
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[987aaa1] | 341 | |
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[45ebc4d] | 342 | class create(fedd_rpc): |
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| 343 | def __init__(self): |
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| 344 | fedd_rpc.__init__(self, "Create") |
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[987aaa1] | 345 | |
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| 346 | def add_ssh_key(self, option, opt_str, value, parser, access_keys): |
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| 347 | try: |
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| 348 | access_keys.append(access_method(file=value, |
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| 349 | type=access_method.type_ssh)) |
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| 350 | except IOError, (errno, strerror): |
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| 351 | raise OptionValueError("Cannot generate sshPubkey from %s: "\ |
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| 352 | "%s (%d)" % (value,strerror,errno)) |
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| 353 | |
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| 354 | def add_x509_cert(self, option, opt_str, value, parser, access_keys): |
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| 355 | try: |
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| 356 | access_keys.append(access_method(file=value, |
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| 357 | type=access_method.type_x509)) |
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| 358 | except IOError, (errno, strerror): |
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| 359 | raise OptionValueError("Cannot read x509 cert from %s: %s (%d)" % |
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| 360 | (value,strerror,errno)) |
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| 361 | |
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| 362 | def get_user_info(self, access_keys): |
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| 363 | pw = pwd.getpwuid(os.getuid()); |
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| 364 | try_cert=None |
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| 365 | user = None |
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| 366 | |
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| 367 | if pw != None: |
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| 368 | user = pw[0] |
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| 369 | try_cert = "%s/.ssl/emulab.pem" % pw[5]; |
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| 370 | if not os.access(try_cert, os.R_OK): |
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| 371 | try_cert = None |
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| 372 | if len(access_keys) == 0: |
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| 373 | for k in ["%s/.ssh/id_rsa.pub", "%s/.ssh/id_dsa.pub", |
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| 374 | "%s/.ssh/identity.pub"]: |
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| 375 | try_key = k % pw[5]; |
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| 376 | if os.access(try_key, os.R_OK): |
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| 377 | access_keys.append(access_method(file=try_key, |
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| 378 | type=access_method.type_ssh)) |
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| 379 | break |
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| 380 | return (user, try_cert) |
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| 381 | |
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| 382 | def __call__(self): |
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| 383 | access_keys = [] |
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| 384 | # Process the options using the customized option parser defined above |
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| 385 | parser = fedd_create_opts(access_keys, self.add_ssh_key, |
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| 386 | self.add_x509_cert) |
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| 387 | |
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| 388 | (opts, args) = parser.parse_args() |
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| 389 | |
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| 390 | if opts.trusted != None: |
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| 391 | if ( not os.access(opts.trusted, os.R_OK) ) : |
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| 392 | sys.exit("Cannot read trusted certificates (%s)" % opts.trusted) |
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| 393 | else: |
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| 394 | parser.error("--trusted is required") |
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| 395 | |
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| 396 | if opts.debug > 0: opts.tracefile=sys.stderr |
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| 397 | |
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| 398 | (user, cert) = self.get_user_info(access_keys) |
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| 399 | |
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| 400 | if opts.user: user = opts.user |
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| 401 | |
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| 402 | if opts.cert != None: cert = opts.cert |
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| 403 | |
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| 404 | if cert == None: |
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| 405 | sys.exit("No certificate given (--cert) or found") |
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| 406 | |
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| 407 | if os.access(cert, os.R_OK): |
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| 408 | fid = fedid(file=cert) |
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| 409 | if opts.use_fedid == True: |
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| 410 | user = fid |
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| 411 | else: |
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| 412 | sys.exit("Cannot read certificate (%s)" % cert) |
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| 413 | |
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| 414 | if opts.file: |
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| 415 | exp_desc = "" |
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| 416 | try: |
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| 417 | f = open(opts.file, 'r') |
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| 418 | for line in f: |
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| 419 | exp_desc += line |
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| 420 | f.close() |
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| 421 | except IOError: |
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| 422 | sys.exit("Cannot read description file (%s)" %opts.file) |
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| 423 | else: |
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| 424 | sys.exit("Must specify an experiment description (--file)") |
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| 425 | |
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| 426 | if not opts.master: |
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| 427 | sys.exit("Must specify a master testbed (--master)") |
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| 428 | |
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| 429 | out_certfile = opts.out_certfile |
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| 430 | |
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| 431 | msg = { |
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| 432 | 'experimentdescription': exp_desc, |
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| 433 | 'master': opts.master, |
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| 434 | 'user' : [ {\ |
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| 435 | 'userID': pack_id(user), \ |
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| 436 | 'access': [ { a.type: a.buf } for a in access_keys]\ |
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| 437 | } ] |
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| 438 | } |
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| 439 | |
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| 440 | if opts.debug > 1: print >>sys.stderr, msg |
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| 441 | |
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[45ebc4d] | 442 | try: |
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| 443 | resp_dict = self.do_rpc(msg, |
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| 444 | opts.url, opts.transport, cert, opts.trusted, |
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| 445 | serialize_only=opts.serialize_only, |
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[987aaa1] | 446 | tracefile=opts.tracefile) |
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[45ebc4d] | 447 | except self.RPCException, e: |
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| 448 | exit_with_fault(\ |
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| 449 | {'desc': e.desc, 'errstr': e.errstr, 'code': e.code}) |
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| 450 | except RuntimeError, e: |
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| 451 | sys.exit("Error processing RPC: %s" % e.message) |
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[987aaa1] | 452 | |
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[45ebc4d] | 453 | if opts.debug > 1: print >>sys.stderr, resp_dict |
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[987aaa1] | 454 | |
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[45ebc4d] | 455 | ea = resp_dict.get('experimentAccess', None) |
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| 456 | if out_certfile and ea and ea.has_key('X509'): |
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[987aaa1] | 457 | try: |
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[45ebc4d] | 458 | f = open(out_certfile, "w") |
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| 459 | print >>f, ea['X509'] |
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| 460 | f.close() |
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| 461 | except IOError: |
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| 462 | sys.exit('Could not write to %s' % out_certfile) |
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[987aaa1] | 463 | |
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| 464 | valid_cmds = ['create'] |
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| 465 | |
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| 466 | f = None |
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| 467 | if sys.argv[1] == 'create': |
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| 468 | del sys.argv[1] |
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| 469 | f = create() |
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| 470 | elif sys.argv[1] == 'vtopo': |
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| 471 | del sys.argv[1] |
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[45ebc4d] | 472 | f = exp_data('Vtopo') |
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[987aaa1] | 473 | elif sys.argv[1] == 'vis': |
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| 474 | del sys.argv[1] |
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[45ebc4d] | 475 | f = exp_data('Vis') |
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[987aaa1] | 476 | else: |
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| 477 | sys.exit("Bad command: %s. Valid ones are: %s" % \ |
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| 478 | (sys.argv[1], ", ".join(valid_cmds))) |
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| 479 | |
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| 480 | if f: f() |
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| 481 | else: sys.exit("Null function?!?") |
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